Feature: 1. MAIN FUNCTION: Remove the lithium battery from the power tool, this adapter can reduce tool weight, and reduce hand fatigue during operation. 2. PLASTIC HOUSING: The lithium battery adapter is made of excellent plastic material, with good toughness, wear resistance, which is lightweight and durable. 3. APPLICABLE TOOLS: This battery extension wire tool is suitable for BL1815 BL1820 BL1830 BL1840 BL1850 BL1860, and other interface power tools, with good compatibility. 4. APPLICABLE BATTERY: Suitable for 48‑11 1811 48‑11 1840 48‑11 1850 2620 2630 48‑11 1811 48‑11 1815 48‑11 1820 48‑11 1822 48‑11 1828 48‑11 1852 lithium ion battery. 5. PORTABLE DESIGN: Equipped with battery holder with hook, which can be hung on a belt, with a total length of 1.6 meters, suitable for various work scenarios. Specification: Item Type: Battery Extension Wire Tool Material: ABS Applicable Power Tool: For BL1815 BL1820 BL1830 BL1840 BL1850 BL1860 and other interface power tools Applicable Battery Model: For 48-11-1811 48-11840 48-11850 2620 2630 48-11-1811 48-11815 48-11-1820 48-11-1822 48-11828 48-11-1852 and other lithium ion battery Product Total Length: Approx. 1.6m / 5.2ft Wire Specification: 2x1.5mm². Package List: 1 x Battery Extension Wire Tool Note: 1. There is a slight error in size.2. Battery and power tool are not included.